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CN-224213303-U - Ultra-deep narrow post-pouring strip construction device for large concrete structure

CN224213303UCN 224213303 UCN224213303 UCN 224213303UCN-224213303-U

Abstract

The utility model provides a construction device for a super-deep narrow post-pouring strip of a large concrete structure, which comprises a frame, wherein a deck plate is arranged above the frame, one side of the deck plate is provided with a plurality of driving wheel grooves, the other side of the deck plate is provided with driven wheel grooves, one sides of the driving wheel grooves and the driven wheel grooves are provided with roller frames, the roller frames on the driving wheel groove side are provided with driving wheels, the roller frames on the driven wheel groove side are provided with driven wheels, and the disassembly step of pouring pipelines is completed by lifting the pouring pipelines to the surface of a foundation pit without requiring constructors to enter the inside of the deep narrow foundation pit, so that construction risks are effectively reduced, the installation, disassembly and adjustment of the pouring pipelines are more convenient, the construction efficiency is greatly improved, and the problem that the super-long pouring pipelines in the deep narrow slit foundation pit are inconvenient to disassemble and assemble in the foundation pit is solved.

Inventors

  • SHEN LILONG
  • YAO PING
  • WANG XIAODONG
  • ZHANG FAN
  • HE KUI
  • SUN JINYONG
  • GAN LU
  • PENG JUNQIU

Assignees

  • 中交第二航务工程局有限公司
  • 中交二航局第四工程有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (7)

  1. 1. The construction device for the ultra-deep narrow post-pouring belt of the large concrete structure is characterized by comprising a construction trolley (2), wherein the construction trolley (2) comprises a frame (202), a trolley panel (203) is arranged above the frame (202), one side of the trolley panel (203) is provided with a plurality of driving wheel grooves (209), the other side of the trolley panel is provided with driven wheel grooves (215), and roller frames (210) are arranged on one sides of the driving wheel grooves (209) and the driven wheel grooves (215); A driving wheel (211) is arranged on the roller frame (210) at the driving wheel groove (209) side, and a driven wheel (216) is arranged on the roller frame (210) at the driven wheel groove (215) side.
  2. 2. The ultra-deep narrow post-cast strip construction device of the large concrete structure, as set forth in claim 1, is characterized in that a through duct hole (208) is also arranged in the middle of the construction trolley (2); Lifting assemblies (206) are symmetrically arranged on two sides of the conduit hole (208), limiting assemblies (205) are further arranged around the outer circumference of the conduit hole (208), and a hoisting assembly (207) is arranged at the top of the lifting assembly (206); and a guide rail (201) is arranged below the construction trolley (2), and the guide rail (201) is arranged on two sides of the top of the deep and narrow foundation pit.
  3. 3. The construction device for the ultra-deep narrow post-cast strip of the large concrete structure, which is disclosed in claim 1, is characterized in that a traveling motor (212) is arranged above a driving wheel groove (209), a speed reducer (213) is arranged at the output end of the traveling motor (212), a chain wheel is arranged at one side of the driving wheel (211), a chain (214) is arranged between the output shaft end of the speed reducer (213) and the chain wheel of the driving wheel (211), and the traveling motor (212) is used for driving the driving wheel (211) to travel on a guide rail (201); a plurality of buffers (204) are further arranged on two sides of the frame (202), limiting seats (202) are further arranged at two ends of the guide rail (201), and the buffers (204) are used for collision with the limiting seats (202).
  4. 4. The ultra-deep narrow post-cast strip construction device of a large concrete structure according to claim 1, wherein the limiting component (205) comprises a guide seat (2501), a telescopic oil cylinder (2502) is arranged on one side of the guide seat (2501), a telescopic rod (2503) is arranged at the output shaft end of the telescopic oil cylinder (2502), the telescopic rod (2503) penetrates through the guide seat (2501), and the telescopic rod (2503) is movably connected with the guide seat (2501); The top end of the telescopic rod (2503) is provided with a limiting top frame (2504), and the limiting top frame (2504) is used for temporarily limiting the height position of the pouring pipeline (3).
  5. 5. The ultra-deep narrow post-cast strip construction device of a large concrete structure according to claim 1, wherein the lifting assembly (206) comprises a plurality of nut installation seats (2601), rotatable screw-nut seats (2602) are arranged in the nut installation seats (2601), liftable trapezoidal screw rods (2603) are arranged in the screw-nut seats (2602), bevel gears II (2606) are arranged at the bottoms of the screw-nut seats (2602), and lifting motors (2604) are arranged on one sides of the bevel gears II (2606).
  6. 6. The ultra-deep narrow post-cast strip construction device of a large concrete structure according to claim 5, wherein a bevel gear I (2605) is arranged at the output shaft end of a lifting motor (2604), the bevel gear I (2605) and a bevel gear II (2606) are vertically arranged, the lifting motor (2604) is used for driving a screw nut seat (2602) to rotate, the screw nut seat (2602) is used for driving a trapezoidal screw (2603) to lift, an encoder is arranged in the lifting motor (2604), and the encoder is used for coordinating rotation speed synchronization among the lifting motors (2604).
  7. 7. The ultra-deep narrow post-pouring strip construction device of a large concrete structure according to claim 1, wherein the hoisting assembly (207) comprises a lifting top plate (2701), the lifting top plate (2701) is arranged at the top between adjacent lifting assemblies (206), a plurality of hoists (2705) are arranged on the lifting top plate (2701), one side of each hoist (2705) is provided with a second guide wheel set (2704) and a first guide wheel set (2703) in sequence, one inward side of the lifting top plate (2701) is also provided with a bearing frame (2702), and the bearing frame (2702) is provided with rollers; A steel cable (2706) is arranged on a winding roller of the winch (2705), the steel cable (2706) sequentially penetrates through the second guide wheel set (2704), the first guide wheel set (2703) and the bearing frame (2702), a lifting hook is arranged at the end part of the steel cable (2706), the steel cable (2706) is used for being connected with the pouring pipeline (3), and an encoder is arranged in the winch (2705).

Description

Ultra-deep narrow post-pouring strip construction device for large concrete structure Technical Field The utility model relates to the field of deep and narrow foundation pit construction, in particular to an ultra-deep and narrow post-pouring strip construction device of a large concrete structure. Background In the field of deep narrow slit foundation pit cast-in-situ construction, the traditional casting mode faces a plurality of technical problems, because the foundation pit space is deep and narrow, when concrete casting is carried out, an extra-long casting pipeline is often required to reach a construction position, the extra-long casting pipeline can cause segregation phenomenon of concrete due to overhigh height in the falling process, the casting quality of the concrete is seriously influenced, and the problems are solved without an effective solution, so that the requirements of the deep narrow slit foundation pit cast-in-situ construction on high efficiency, safety and high quality cannot be met. When the cast-in-situ height reaches the set height below the string tube each time, the casting pipeline needs to be lifted and a part of standard joint pipes are removed, the ultra-long pipeline is very inconvenient to disassemble and assemble in the foundation pit, constructors are required to descend into deep and narrow foundation pit gaps to operate, the efficiency is low, and larger potential safety hazards exist. Disclosure of utility model The utility model mainly aims to provide a construction device for an ultra-deep narrow post-pouring strip of a large concrete structure, which solves the problem that an ultra-long pouring pipeline in a deep narrow slit foundation pit is inconvenient to disassemble and assemble in the foundation pit. In order to solve the technical problems, the technical scheme adopted by the utility model is that the construction device for the ultra-deep narrow post-pouring strip of the large concrete structure comprises a construction trolley, wherein the construction trolley comprises a frame, a trolley panel is arranged above the frame, a plurality of driving wheel grooves are formed in one side of the trolley panel, driven wheel grooves are formed in the other side of the trolley panel, and roller frames are arranged on one sides of the driving wheel grooves and the driven wheel grooves; The roller frame on the driving wheel groove side is provided with a driving wheel, and the roller frame on the driven wheel groove side is provided with a driven wheel. In the preferred scheme, the middle of the construction trolley is also provided with a through conduit hole; Lifting components are symmetrically arranged on two sides of the conduit hole, a limiting component is arranged around the outer circle of the conduit hole, and a hoisting component is arranged at the top of the lifting component; the below of construction trolley car is equipped with the guide rail, and the guide rail is arranged in the top both sides of dark narrow foundation ditch. In the preferred scheme, a traveling motor is arranged above a driving wheel groove, a speed reducer is arranged at the output end of the traveling motor, a chain wheel is arranged at one side of a driving wheel, a chain is arranged between the output shaft end of the speed reducer and the chain wheel of the driving wheel, and the traveling motor is used for driving the driving wheel to travel on a guide rail; The two sides of the frame are also provided with a plurality of buffers, the two ends of the guide rail are also provided with limiting seats, and the buffers are used for collision with the limiting seats. In the preferred scheme, the limiting component comprises a guide seat, one side of the guide seat is provided with a telescopic oil cylinder, the output shaft end of the telescopic oil cylinder is provided with a telescopic rod, the telescopic rod penetrates through the guide seat, and the telescopic rod is movably connected with the guide seat; The top of telescopic link is equipped with spacing roof-rack, and spacing roof-rack is used for interim restriction to pour the high position of pipeline. In the preferred scheme, the lifting assembly comprises a plurality of nut installation seats, a rotatable screw rod nut seat is arranged in the nut installation seats, a liftable trapezoidal screw rod is arranged in the screw rod nut seat, a bevel gear II is arranged at the bottom of the screw rod nut seat, and a lifting motor is arranged on one side of the bevel gear II. In the preferred scheme, the output shaft end of the lifting motor is provided with a first bevel gear, the first bevel gear is vertically arranged with a second bevel gear, the lifting motor is used for driving a screw nut seat to rotate, the screw nut seat is used for driving a trapezoidal screw to lift, an encoder is arranged in the lifting motor, and the encoder is used for coordinating rotation speed synchronization among a plurality of lifting motor